1 files changed, 71 insertions, 0 deletions
diff --git a/usr.sbin/smtpd/compress_backend.c b/usr.sbin/smtpd/compress_backend.c
new file mode 100644
index 00000000000..fe0563954a5
--- /dev/null
+++ b/usr.sbin/smtpd/compress_backend.c
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2012 Charles Longeau <chl@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/types.h>
+#include <sys/queue.h>
+#include <sys/tree.h>
+#include <sys/param.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+
+#include <imsg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "smtpd.h"
+
+extern struct compress_backend compress_zlib;
+
+struct compress_backend *
+compress_backend_lookup(const char *name)
+{
+	if (!strcmp(name, "zlib"))
+		return &compress_zlib;
+
+	/* if (!strcmp(name, "bzip")) */
+	/* 	return &compress_bzip; */
+
+	/* if (!strcmp(name, "7zip")) */
+	/* 	return &compress_7zip; */
+
+	return (NULL);
+}
+
+int
+compress_file(int fdin, int fdout)
+{
+	return env->sc_compress->compress_file(fdin, fdout);
+}
+
+int
+uncompress_file(int fdin, int fdout)
+{
+	return env->sc_compress->uncompress_file(fdin, fdout);
+}
+
+size_t
+compress_buffer(const char *ib, size_t iblen, char *ob, size_t oblen)
+{
+	return env->sc_compress->compress_buffer(ib, iblen, ob, oblen);
+}
+
+size_t
+uncompress_buffer(const char *ib, size_t iblen, char *ob, size_t oblen)
+{
+	return env->sc_compress->uncompress_buffer(ib, iblen, ob, oblen);
+}